bsc: Use different CIC in concurrent calls from same MSC

The MSC (our TTCN3 emulation) expects to assign unique CIC for each
concurrent call, so that the BSC can properly differentiate and do the
proper connection setup.

Change-Id: Iac09590693bf39ccc90bf2b0645ca672a4787c95
diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn
index 269fb79..7a5e55e 100644
--- a/bsc/MSC_ConnectionHandler.ttcn
+++ b/bsc/MSC_ConnectionHandler.ttcn
@@ -1652,7 +1652,7 @@
 		var template MgcpCommand cmd;
 		var template MgcpResponse resp;
 		var integer cic := f_bssmap_ie_cic_2_int(ass_cmd.pdu.bssmap.assignmentRequest.circuitIdentityCode);
-		var MgcpEndpoint ep := int2str(cic) & "@mgw"; /* 1: matches value configured in BSC_Tests.ttcn pass in AssignReq */
+		var MgcpEndpoint ep := int2str(cic) & "@mgw"; /* matches value configured in BSC_Tests.ttcn pass in AssignReq */
 		var MgcpCallId call_id := '51234'H;
 		var SDP_attribute_list attributes := { valueof(ts_SDP_ptime(20)) };
 		if (g_pars.use_osmux_cn) {